DANCEROID

Aikawa Kozue was a co-founder of DANCEROID along with Ikura and Mikina Lee.There was a total of 4 generations before the unit disbanded on July 26th, 2014. However kozue only participated in the first 3 years of the unit before leaving due to her poor health.

DANCEROID1
DANCEROID was formed in 2009 by Ikura, Kozue, and Minka Lee. They started a NicoNicoDouga Community and performed as a trio (and occasionally individual members would upload solo videos) to VOCALOID songs on NicoNicoDouga. They gained popularity so quickly that they released their first DVD [DANCEROID] in December later that year.

DANCEROID2 & DANCEROID3
At the end of 2009 Minka Lee graduated from DANCEROID leaving just Kozue and Ikura. Several months passed before they decided to hold auditions. Three new members were added: COCO, Yuzuki, and Maamu. Together they formed the 2nd Generation of DANCEROID and released DANCEROID DVD2,  DANCEROID DVD3 and DANCEROID's first Official Soundtrack.

In late 2011, COCO graduated from DANCEROID at their first OneManLive. DANCEROID did not hold auditions this time and continued with their four remaining members. Although they did not release another DVD, they had many live performances; including DANCEROID's first nation-wide tour in early 2012 and some performances abroad.

On June 3rd, 2012, Aikawa Kozue announced on her blog that due to health issue she will be graduating from DANCEROID at the end of August at their NicoFarre live. She [Kozue] officially graduated from DANCEROID on September 1, 2012.